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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

WA4DOC callsign genealogy

Currently held by Cooley, David O

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by WA4DOC's current licensee, walking backwards.

  1. KN4CUGcancelled· G
    Wade, Larry WALgranted 2017-04-24cancelled 2017-06-20

Successor callsigns

Callsigns held now by people who previously held WA4DOC.

  1. NY7Zcancelled· E
    RENNIE, SCOTT RHIgranted 2011-07-29cancelled 2012-12-01
  2. N4DIBcancelled· E
    Cooley, David OFLgranted 2008-10-28cancelled 2009-03-17

All historical holders

Every license row we've seen with the callsign WA4DOC, oldest first.

  • Cooley, David O FL
    2008-02-29 → cancelled 2008-10-28
  • RENNIE, SCOTT R WA
    2011-03-18 → cancelled 2011-07-29
  • Wade, Larry W AL
    2017-06-20 active
← Back to WA4DOC License history →